Mini Rboard

Overview

Mini RBoard is an Arduino compatible mainboard, which contains a relay, a nRF24L01 interface and a 433M RF Receiver interface. It can be worked as a remote control switch. Besides, as its small dimension, you can be put it into power strip to make an intelligent power strip.

Specification

PCB size	37.34mm X 49mm X 1.6mm
Power supply	5V DC
Microprocessor	Atmega328P
Indicators	PWR
Interface	FOCA,nRF24l01+,J05E 433Mhz module socket

Electrical Characteristics

Parameter	Min.	Typical	Max.	Unit
Power supply	4.5	5	5.5	VDC
Input voltage VinH	3	3.3	3.6	V
Input voltage VinL	-0.3	0	0.5	V
Current Consumption		40	100	Ma

Hardware

Pin Map

Pin	Description
5V	5V Power supply pin
GND	Ground
DTR	FOCA DTR
TXD	D1
RXD	D0
nRF24L01_CE	D9
nRF24L01_CS	D10
nRF24L01_CS	D11
nRF24L01_MI	D12
nRF24L01_MI	D13
nRF24L01_IRQ	D2
433Mhz_DATA	D3
A0	A0(pulled up with 10K)
Relay_control*	D4